Elexhere

Build Your Own Pepper’s Ghost Monster Eye for Halloween - Hackster.iohttps://www.hackster.io/news/build-your-own-pepper-s-ghost-monster-eye-for-halloween-130c3f942b35

eye

Designed by the Ruiz Brothers and Liz Clark, the Pepper’s Ghost Monster Eye is a perfect decoration for this Halloween.

Electronic Busy Board Is Fun For Kids And Hackers | Hackadayhttps://hackaday.com/2026/10/02/electronic-busy-board-is-fun-for-kids-and-hackers/

While you may not be familiar with the term “busy board”, you’ve almost certainly seen one. It’s the sort of toy with a bunch of buttons, switches, and of course LEDs, that …

The Game Boy Test Lab Provides A Cartridge-Sized Diagnostic Lab | Hackadayhttps://hackaday.com/2026/10/02/the-game-boy-test-lab-provides-a-cartridge-sized-diagnostic-lab/

gameboy
rom

Most of the time when you see a repair video of a Game Boy it’ll be demonstrated with a cartridge inserted and booting up into the game, but does this actually mean that the system is truely …

FPGA For All — CERN Releases “colibri” VHDL Library | Hackadayhttps://hackaday.com/2026/09/24/fpga-for-all-cern-releases-colibri-vhdl-library/

fpga
vhdl

Since you’re reading Hackaday, we’re pretty sure CERN needs no introduction, so we’ll get right to it– they’re giving back again, this time with a VHDL library called …

Laser Your Way Into Debug Mode On The RP2350 | Hackadayhttps://hackaday.com/2026/09/19/laser-your-way-into-debug-mode-on-the-rp2350/

The RP2350 is actually a pretty secure chip, all things considered. It has secure boot, ARMv8’s TrustZone to split secure and non-secure execution, and you can permanently disable debug — the…

A Cool New Way to Make Custom LED Display - Hackster.iohttps://www.hackster.io/news/a-cool-new-way-to-make-custom-led-display-f0d40c5cb535

led
Display

Maker’s Fun Duck came up with a technique (and a Python tool) anyone can use to make custom LED displays.

Print with dozens of colors: Our new open-source ColorMix for EasyPrint and PrusaSlicer - Original Prusa 3D Printershttps://blog.prusa3d.com/our-new-open-source-colormix-model-in-prusaslicer-and-easyprint_136079/

For the past few months, the 3D printing community has been poking at a very interesting question: what if a multi-material printer were not limited to the colors physically loaded on it? And we must say it right now: This is a...

25 outils gratuits pour l’impression 3D : créer, modifier et réparer des modèles – aperçu 2026https://3druck.com/fr/programmes/apercu-des-outils-gratuits-pour-limpression-3d-44162321/#brick-builder

Pour de nombreuses tâches liées à l’impression 3D, il n’est pas nécessaire de disposer d’un logiciel de CAO complet. Des outils web gratuits peuvent créer des engrenages, des boîtes, des lithophanies,

Parchment Paper Paired With 3D-Printed Grid Gives A Nice Glow | Hackadayhttps://hackaday.com/2026/09/04/parchment-paper-paired-with-3d-printed-grid-gives-a-nice-glow/

led
Clock

This custom enclosure for a 64×64 RGB LED matrix by [Davisan1001] not only provides a mount point for a Raspberry Pi, but presents a clean and smooth face with square pixels thanks to a 3D-pri…

Corners Lifting On 3D Prints? Guide Gives Prevention Tips | Hackadayhttps://hackaday.com/2026/09/03/corners-lifting-on-3d-prints-guide-gives-prevention-tips/

3dprint

Large prints have a risk of warping, by which we mean corners can lift off the print bed as the object sort of curls inward on itself. It’s not always due to poor filament quality or an uncle…

The amazing USB-C gadgets that play old Nintendo cartridges | The Vergehttps://www.theverge.com/games/987972/epilogue-gb-sn-operator-review-nintendo-game-boy-snes

The $60 Epilogue SN Operator and $50 GB Operator let you play, save, and backup real Super Nintendo and Game Boy games.

Sliding Into Perfection: The Open Task Light | Hackadayhttps://hackaday.com/2026/09/01/sliding-into-perfection-the-open-task-light/

led
Lamp

A few years ago Dyson released a desk lamp that could slide up and down, in and out, balancing itself at every position. [Steven Bennett] saw that lamp and wanted to make his own. From this passion…

I Promise You’ll Like This Pneumatic Soft Dot Display - Hackster.iohttps://www.hackster.io/news/i-promise-you-ll-like-this-pneumatic-soft-dot-display-87e3d00093e0

air
Display

You’ll want to see (or touch) soiboi soft’s wonderful Air Powered Dot Display.

Open-Source ExpressLRS Receiver Reaches For Range | Hackadayhttps://hackaday.com/2026/08/22/open-source-expresslrs-receiver-reaches-for-range/

serial
radio

Drone control links are, from a radio signals perspective, nothing short of amazing: using a transmitter capable of transmitting, at most, one watt, a protocol such as ExpressLRS (ELRS) can control…

Turn Any Microcontroller Into an IoT Device - Hackster.iohttps://www.hackster.io/news/turn-any-microcontroller-into-an-iot-device-146f0e0a3353

iot
serial

Upline is a lightweight, open source serial protocol that connects cheap microcontrollers to the internet without extra Wi-Fi hardware.

The $50 DIY Sonos Killer - Hackster.iohttps://www.hackster.io/news/the-50-diy-sonos-killer-0aa3fc50d2f1

Build your own multi-room audio system for under $50 with an ESP32, open source tech, and a custom 3D-printed case.

This ESP32-Based PCIe Card Powers on a PC Remotely - Hackster.iohttps://www.hackster.io/news/this-esp32-based-pcie-card-powers-on-a-pc-remotely-b58c0b21bcd5

Andrea Aghemo came up with something better than Wake-on-LAN: an ESP32-based PCIe card that presses the PC’s power button on request.

This 7:1 Scale 16x2 Character LCD Is a Thing of Beauty - Hackster.iohttps://www.hackster.io/news/this-7-1-scale-16x2-character-lcd-is-a-thing-of-beauty-157aa0a1803f

led
Display

UncleStem built a completely functional display that's seven timers larger than a classic 16×2 character LCD.

Un Ordinateur Pour Le Minitel-1 (A Computer For The Minitel-1) | Hackadayhttps://hackaday.com/2026/08/04/un-ordinateur-pour-le-minitel-1-a-computer-for-the-minitel-1/

In the 1980s, France was the stage for one of the boldest public computing projects of the era. Minitel was the French take on viewdata, and instead of making it an expensive and unattainable luxur…

Making A Retro(ish) Game Console From Scratch | Hackadayhttps://hackaday.com/2026/08/02/making-a-retroish-game-console-from-scratch/

As easy as it is to make a late 1980s-style game console using a modern microcontroller, there’s arguably more fun in doing things the traditional way. This is the challenge that [Throaty Mum…